alt Hacker NewsWhat's unknowable is whether or not there are real stars that correspond with what you seem to observe; not whether or not your observations themselves are the real stars.
What's unknowable is whether or not there are real stars that correspond with what you seem to observe; not whether or not your observations themselves are the real stars.
Didn’t we already work out they are similar in their spectral output to the Sun, enough to conclude they are the same kind of thing? And observing their movements makes them far away. Do each of us have to do the experiments again to validate that we know what they are?